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From: Yannick Fertre <yannick.fertre@st.com>
To: Yannick Fertre <yannick.fertre@st.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Benjamin Gaignard <benjamin.gaignard@st.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	<dri-devel@lists.freedesktop.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH] drm/stm: ltdc: move pinctrl to encoder mode set
Date: Wed, 27 Nov 2019 11:23:38 +0100	[thread overview]
Message-ID: <1574850218-13257-1-git-send-email-yannick.fertre@st.com> (raw)

From: Yannick Fertré <yannick.fertre@st.com>

The pin control must be set to default as soon as possible to
establish a good video link between tv & bridge hdmi
(encoder mode set is call before encoder enable).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 49ef406..dba8e7f 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -435,9 +435,6 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 	/* Commit shadow registers = update planes at next vblank */
 	reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR);
 
-	/* Enable LTDC */
-	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	drm_crtc_vblank_on(crtc);
 }
 
@@ -451,9 +448,6 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	drm_crtc_vblank_off(crtc);
 
-	/* disable LTDC */
-	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	/* disable IRQ */
 	reg_clear(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE);
 
@@ -1042,9 +1036,13 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = {
 static void ltdc_encoder_disable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
 
 	DRM_DEBUG_DRIVER("\n");
 
+	/* Disable LTDC */
+	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+
 	/* Set to sleep state the pinctrl whatever type of encoder */
 	pinctrl_pm_select_sleep_state(ddev->dev);
 }
@@ -1052,6 +1050,19 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
 static void ltdc_encoder_enable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
+
+	DRM_DEBUG_DRIVER("\n");
+
+	/* Enable LTDC */
+	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+}
+
+static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
+				  struct drm_display_mode *mode,
+				  struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *ddev = encoder->dev;
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -1067,6 +1078,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
 static const struct drm_encoder_helper_funcs ltdc_encoder_helper_funcs = {
 	.disable = ltdc_encoder_disable,
 	.enable = ltdc_encoder_enable,
+	.mode_set = ltdc_encoder_mode_set,
 };
 
 static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Yannick Fertre <yannick.fertre@st.com>
To: Yannick Fertre <yannick.fertre@st.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Benjamin Gaignard <benjamin.gaignard@st.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	<dri-devel@lists.freedesktop.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH] drm/stm: ltdc: move pinctrl to encoder mode set
Date: Wed, 27 Nov 2019 11:23:38 +0100	[thread overview]
Message-ID: <1574850218-13257-1-git-send-email-yannick.fertre@st.com> (raw)

From: Yannick Fertré <yannick.fertre@st.com>

The pin control must be set to default as soon as possible to
establish a good video link between tv & bridge hdmi
(encoder mode set is call before encoder enable).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 49ef406..dba8e7f 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -435,9 +435,6 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 	/* Commit shadow registers = update planes at next vblank */
 	reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR);
 
-	/* Enable LTDC */
-	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	drm_crtc_vblank_on(crtc);
 }
 
@@ -451,9 +448,6 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	drm_crtc_vblank_off(crtc);
 
-	/* disable LTDC */
-	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	/* disable IRQ */
 	reg_clear(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE);
 
@@ -1042,9 +1036,13 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = {
 static void ltdc_encoder_disable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
 
 	DRM_DEBUG_DRIVER("\n");
 
+	/* Disable LTDC */
+	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+
 	/* Set to sleep state the pinctrl whatever type of encoder */
 	pinctrl_pm_select_sleep_state(ddev->dev);
 }
@@ -1052,6 +1050,19 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
 static void ltdc_encoder_enable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
+
+	DRM_DEBUG_DRIVER("\n");
+
+	/* Enable LTDC */
+	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+}
+
+static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
+				  struct drm_display_mode *mode,
+				  struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *ddev = encoder->dev;
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -1067,6 +1078,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
 static const struct drm_encoder_helper_funcs ltdc_encoder_helper_funcs = {
 	.disable = ltdc_encoder_disable,
 	.enable = ltdc_encoder_enable,
+	.mode_set = ltdc_encoder_mode_set,
 };
 
 static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
-- 
2.7.4


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Yannick Fertre <yannick.fertre@st.com>
To: Yannick Fertre <yannick.fertre@st.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Benjamin Gaignard <benjamin.gaignard@st.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	dri-devel@lists.freedesktop.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] drm/stm: ltdc: move pinctrl to encoder mode set
Date: Wed, 27 Nov 2019 11:23:38 +0100	[thread overview]
Message-ID: <1574850218-13257-1-git-send-email-yannick.fertre@st.com> (raw)

From: Yannick Fertré <yannick.fertre@st.com>

The pin control must be set to default as soon as possible to
establish a good video link between tv & bridge hdmi
(encoder mode set is call before encoder enable).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 49ef406..dba8e7f 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -435,9 +435,6 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 	/* Commit shadow registers = update planes at next vblank */
 	reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR);
 
-	/* Enable LTDC */
-	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	drm_crtc_vblank_on(crtc);
 }
 
@@ -451,9 +448,6 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	drm_crtc_vblank_off(crtc);
 
-	/* disable LTDC */
-	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	/* disable IRQ */
 	reg_clear(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE);
 
@@ -1042,9 +1036,13 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = {
 static void ltdc_encoder_disable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
 
 	DRM_DEBUG_DRIVER("\n");
 
+	/* Disable LTDC */
+	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+
 	/* Set to sleep state the pinctrl whatever type of encoder */
 	pinctrl_pm_select_sleep_state(ddev->dev);
 }
@@ -1052,6 +1050,19 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
 static void ltdc_encoder_enable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
+
+	DRM_DEBUG_DRIVER("\n");
+
+	/* Enable LTDC */
+	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+}
+
+static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
+				  struct drm_display_mode *mode,
+				  struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *ddev = encoder->dev;
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -1067,6 +1078,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
 static const struct drm_encoder_helper_funcs ltdc_encoder_helper_funcs = {
 	.disable = ltdc_encoder_disable,
 	.enable = ltdc_encoder_enable,
+	.mode_set = ltdc_encoder_mode_set,
 };
 
 static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
-- 
2.7.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Yannick Fertre <yannick.fertre@st.com>
To: Yannick Fertre <yannick.fertre@st.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Benjamin Gaignard <benjamin.gaignard@st.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	<dri-devel@lists.freedesktop.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH] drm/stm: ltdc: move pinctrl to encoder mode set
Date: Wed, 27 Nov 2019 11:23:38 +0100	[thread overview]
Message-ID: <1574850218-13257-1-git-send-email-yannick.fertre@st.com> (raw)
Message-ID: <20191127102338.K54sEY_-DqJhXwJOxbkciXBDMV0JUhjPIXX2XQi3lWg@z> (raw)

From: Yannick Fertré <yannick.fertre@st.com>

The pin control must be set to default as soon as possible to
establish a good video link between tv & bridge hdmi
(encoder mode set is call before encoder enable).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 49ef406..dba8e7f 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -435,9 +435,6 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 	/* Commit shadow registers = update planes at next vblank */
 	reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR);
 
-	/* Enable LTDC */
-	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	drm_crtc_vblank_on(crtc);
 }
 
@@ -451,9 +448,6 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	drm_crtc_vblank_off(crtc);
 
-	/* disable LTDC */
-	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
 	/* disable IRQ */
 	reg_clear(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE);
 
@@ -1042,9 +1036,13 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = {
 static void ltdc_encoder_disable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
 
 	DRM_DEBUG_DRIVER("\n");
 
+	/* Disable LTDC */
+	reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+
 	/* Set to sleep state the pinctrl whatever type of encoder */
 	pinctrl_pm_select_sleep_state(ddev->dev);
 }
@@ -1052,6 +1050,19 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
 static void ltdc_encoder_enable(struct drm_encoder *encoder)
 {
 	struct drm_device *ddev = encoder->dev;
+	struct ltdc_device *ldev = ddev->dev_private;
+
+	DRM_DEBUG_DRIVER("\n");
+
+	/* Enable LTDC */
+	reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+}
+
+static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
+				  struct drm_display_mode *mode,
+				  struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *ddev = encoder->dev;
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -1067,6 +1078,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
 static const struct drm_encoder_helper_funcs ltdc_encoder_helper_funcs = {
 	.disable = ltdc_encoder_disable,
 	.enable = ltdc_encoder_enable,
+	.mode_set = ltdc_encoder_mode_set,
 };
 
 static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
-- 
2.7.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

             reply	other threads:[~2019-11-27 10:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-27 10:23 Yannick Fertre [this message]
2019-11-27 10:23 ` [PATCH] drm/stm: ltdc: move pinctrl to encoder mode set Yannick Fertre
2019-11-27 10:23 ` Yannick Fertre
2019-11-27 10:23 ` Yannick Fertre
2019-12-02 17:18 ` Philippe CORNU
2019-12-02 17:18   ` Philippe CORNU
2019-12-02 17:18   ` Philippe CORNU
2019-12-20 12:33   ` Benjamin Gaignard
2019-12-20 12:33     ` Benjamin Gaignard
2019-12-20 12:33     ` Benjamin Gaignard

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